innovair Inverter FLEX24 DEV24H2R18, Service Manual

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SERVICE MANUAL
Model: SEV2040H2R18
Removal of 4-way valve
NOTE : Before removing the 4-way valve, make sure refrigerant is fully discharged from the unit and power is cut off.
Step Picture Work instruction
1. Take off the coil of the
4-way valve.
Carefully unscrew the
screws of electromagnetic
coil with a screwdriver.
2. Break off the connection
pipes from the 4-way valve.
Use a soldering gun to
loosen the 4 joints on the
4-way valve and then
remove the connection
pipes.
NOTE : When welding the
pipes, the 4-way valve
should be wrapped with
wet cloth for cooling. Do
not let the flame burn the
other components.
3. Replace the 4-way valve
and connect it to the
connection pipes.
Replace the 4-way valve
and then use a soldering
gun to weld the 4 joints of
the 4-way valve.
NOTE :When welding the
pipes, the 4-way valve
should be wrapped with
wet cloth for cooling. Do
not let the flame burn the
other components.